1 ; RUN: opt < %s -passes=debugify,loop-vectorize -force-vector-width=4 -prefer-inloop-reductions -S | FileCheck %s -check-prefix DEBUGLOC
3 ; Testing the debug locations of the generated vector intstructions are same as
4 ; their scalar counterpart.
6 define i32 @reduction_sum(ptr %A, ptr %B) {
7 ; DEBUGLOC-LABEL: define i32 @reduction_sum(
8 ; DEBUGLOC: vector.body:
9 ; DEBUGLOC: = load <4 x i32>, ptr %{{.+}}, align 4, !dbg ![[LOADLOC:[0-9]+]]
10 ; DEBUGLOC: = call i32 @llvm.vector.reduce.add.v4i32(<4 x i32> %{{.+}}), !dbg ![[REDLOC:[0-9]+]]
12 ; DEBUGLOC: %[[LOAD:.+]] = load i32, ptr %{{.+}}, align 4, !dbg ![[LOADLOC]]
13 ; DEBUGLOC: = add i32 %{{.+}}, %[[LOAD]], !dbg ![[REDLOC]]
19 %iv = phi i64 [ 0, %entry ], [ %iv.next, %loop ]
20 %red = phi i32 [ 0, %entry ], [ %red.next, %loop ]
21 %gep = getelementptr inbounds i32, ptr %A, i64 %iv
22 %load = load i32, ptr %gep, align 4
23 %red.next = add i32 %red, %load
24 %iv.next = add i64 %iv, 1
25 %exitcond = icmp eq i64 %iv.next, 256
26 br i1 %exitcond, label %exit, label %loop
29 %red.lcssa = phi i32 [ %red.next, %loop ]
33 ; DEBUGLOC: ![[LOADLOC]] = !DILocation(line: 5
34 ; DEBUGLOC: ![[REDLOC]] = !DILocation(line: 6